Single-molecule fluorescence spectroscopy of photosynthetic systems

T Kondo, WJ Chen, GS Schlau-Cohen - Chemical reviews, 2017 - ACS Publications
Photosynthesis begins when a network of pigment–protein complexes captures solar energy
and transports it to the reaction center, where charge separation occurs. When necessary …

Site selective and single complex laser-based spectroscopies: a window on excited state electronic structure, excitation energy transfer, and electron–phonon …

R Jankowiak, M Reppert, V Zazubovich… - Chemical …, 2011 - ACS Publications
In photosynthesis, light is harvested and its energy is used to produce the various biological
components that support nearly all life on earth. It is oxygenic photosynthesis that led to the …

Fluorescence spectral dynamics of single LHCII trimers

TPJ Krüger, VI Novoderezhkin, C Ilioaia… - Biophysical journal, 2010 - cell.com
Single-molecule spectroscopy was employed to elucidate the fluorescence spectral
heterogeneity and dynamics of individual, immobilized trimeric complexes of the main light …

[HTML][HTML] From red to blue to far-red in Lhca4: how does the protein modulate the spectral properties of the pigments?

E Wientjes, G Roest, R Croce - Biochimica et Biophysica Acta (BBA) …, 2012 - Elsevier
The first event of photosynthesis is the harvesting of solar energy by a large array of
pigments. These pigments are coordinated to proteins that organize them to assure efficient …

Excitonic energy level structure and pigment− protein interactions in the recombinant water-soluble chlorophyll protein. II. Spectral hole-burning experiments

J Pieper, M Rätsep, I Trostmann… - The Journal of …, 2011 - ACS Publications
Persistent spectral hole burning at 4.5 K has been used to investigate the excitonic energy
level structure and the excited state dynamics of the recombinant class-IIa water-soluble …

Optimal energy transfer in light-harvesting systems

L Chen, P Shenai, F Zheng, A Somoza, Y Zhao - Molecules, 2015 - mdpi.com
Photosynthesis is one of the most essential biological processes in which specialized
pigment-protein complexes absorb solar photons, and with a remarkably high efficiency …

Hypericin: single molecule spectroscopy of an active natural drug

Q Liu, F Wackenhut, O Hauler, M Scholz… - The Journal of …, 2020 - ACS Publications
Hypericin is one of the most efficient photosensitizers used in photodynamic tumor therapy
(PDT). The reported treatments of this drug reach from antidepressive, antineoplastic …

How reduced excitonic coupling enhances light harvesting in the main photosynthetic antennae of diatoms

TPJ Krüger, P Malý, MTA Alexandre… - Proceedings of the …, 2017 - National Acad Sciences
Strong excitonic interactions are a key design strategy in photosynthetic light harvesting,
expanding the spectral cross-section for light absorption and creating considerably faster …

Protein dynamics-induced variation of excitation energy transfer pathways

M Brecht, V Radics, JB Nieder… - Proceedings of the …, 2009 - National Acad Sciences
Strong anticorrelation between the fluorescence emission of different emitters is observed by
employing single-molecule fluorescence spectroscopy on photosystem I at cryogenic …

Strong plasmonic fluorescence enhancement of individual plant light-harvesting complexes

F Kyeyune, JL Botha, B Van Heerden, P Malý… - Nanoscale, 2019 - pubs.rsc.org
Plasmonic coupling of metallic nanoparticles and adjacent pigments can dramatically
increase the brightness of the pigments due to the enhanced local electric field. Here, we …